Unverified85% confidenceCautionTime unknown
肾结石病史(尤其草酸钙结石)人群应避免长期高剂量(>1000mg/日)维生素C,因维C代谢会生成草酸,增加结石风险,此类人群日补充量宜控制在500mg以内
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85%
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Long-term
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Unverified肾结石(尤其草酸钙结石)病史者应避免长期大剂量(≥1000mg/天)维生素C,因过量维C代谢会增加尿液草酸盐生成,提升结石复发风险94% similarUnverified每包含1000mg维生素C,远超日常推荐摄入量,长期每日服用可能增加肾结石风险,不适合有肾结石病史或肾功能不全的人群89% similarUnverified肾功能不全、肾结石高风险人群不适合长期服用1000mg高剂量维生素C,该规格剂量超出普通日常补充需求。87% similarUnverified每片含1000mg维生素C,属于高剂量补充,肾结石高风险人群或肾功能不全者不建议长期每日服用86% similarUnverified单片含维生素C 1000mg,属于高剂量补充,日常饮食维C摄入已充足的人群无需额外服用,长期过量摄入可能增加肾脏负担85% similar
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